摘要:
The solar-thermal conversion member includes a ²-FeSi 2 phase material. The solar-thermal conversion member exhibits a high absorptance for visible light at wavelengths of several hundred nm and a low absorptance for infrared light at wavelengths of several thousand nm and as a consequence efficiently absorbs visible light at wavelengths of several hundred nm and converts the same into heat and exhibits little thermal radiation due to thermal emission at temperatures of several hundred °C. The solar-thermal conversion member can therefore efficiently absorb sunlight and provide heat and can prevent thermal radiation due to thermal emission.
摘要:
A nanoparticle carrying method making a carrier adsorb ammonium ions, making the nanoparticles adsorb an organic acid, and making the carrier and the nanoparticles contact each other in a basic solution to thereby cause the carrier to adsorb the nanoparticles. Nanoparticles can be carried in high dispersion irrespective of superhydrophilicity.
摘要:
An exhaust purification apparatus for an internal combustion engine according to the present invention includes a heated gas generation apparatus configured to generate heated gas utilizing exhaust gas flowing through an exhaust passage. The heated gas generation apparatus includes a catalyst configured to provide an oxidation function, a fuel supply nozzle, and a heater. An exhaust purification unit is provided downstream of the heated gas generation apparatus. An incoming gas temperature of the exhaust purification unit is detected and estimated. An actual incoming gas temperature being a detected value and an estimated incoming gas temperature both acquired when at least the fuel supply nozzle is actuated are compared with each other. Based on the result of the comparison, the apparatus detects one of poisoning of the catalyst with HC and degradation of the catalyst. Thus, the heated gas generation apparatus is prevented from discharging HC.
摘要:
A solar-thermal conversion member includes a β-FeSi2 phase material. The solar-thermal conversion member exhibits a high absorptance for visible light at wavelengths of several hundred nm and a low absorptance for infrared light at wavelengths of several thousand nm and, as a consequence, efficiently absorbs visible light at wavelengths of several hundred nm and converts the same into heat and exhibits little thermal radiation due to thermal emission at temperatures of several hundred ° C. The solar-thermal conversion member may therefore efficiently absorb sunlight, provide heat, and prevent thermal radiation due to thermal emission.
摘要:
An exhaust purification apparatus for an internal combustion engine includes a heating gas generation device configured to generate heating gas utilizing a part of exhaust gas flowing through an exhaust passage, the heating gas generation device including a catalyst with an oxidation function and a fuel supply nozzle configured to supply fuel to the catalyst, a selective reduction NOx catalyst provided downstream of the heating gas generation device, an aqueous-solution-of-urea supply nozzle, and a storage chamber configured so that the heating gas discharged from the catalyst is temporarily stored in the storage chamber and then discharged, the storage chamber being supplied with the aqueous solution of urea from the aqueous-solution-of-urea supply nozzle. Heat in the storage chamber promotes evaporation and hydrolyzation of an aqueous solution of urea supplied, allowing ammonia to be efficiently generated.
摘要:
The solar-thermal conversion member includes a β-FeSi 2 phase material. The solar-thermal conversion member exhibits a high absorptance for visible light at wavelengths of several hundred nm and a low absorptance for infrared light at wavelengths of several thousand nm and as a consequence efficiently absorbs visible light at wavelengths of several hundred nm and converts the same into heat and exhibits little thermal radiation due to thermal emission at temperatures of several hundred °C. The solar-thermal conversion member can therefore efficiently absorb sunlight and provide heat and can prevent thermal radiation due to thermal emission.